package com.ftg.learn.back03;

/**
 * 紧偶合 ：
 * @author KangJx
 * @date 2021/7/28
 */
public class Leranoo {

    public Leranoo(IAbc a){

    }

    public static void main(String[] args) {

        //learnoo - abc
        new Leranoo(new D());
    }

}
